Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Duy Phung
Pharmacist in Spring Valley, CA · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811370513
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Registry record
Entity type Individual (Type 1)
Name Duy Phung
Sex Male
Practice address 543 Sweetwater Rd, Spring Valley, CA, 91977
Phone (619) 461-2100
Enumeration date Jun 30, 2015
Last updated in NPPES Jun 30, 2015
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Duy Phung practice?
The practice location on file with NPPES is in Spring Valley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Duy Phung?
The National Provider Identifier (NPI) for Duy Phung is 1811370513, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-06-30.